Using inline assembler to make a function call makes the compiler generate a segmentation fault:
//-----------------------------------------------
void main() {
asm {
call f;
}
}
void f() {}
//-----------------------------------------------
With gdc 0.19, dmd 0.162 (gcc version 4.0.3).
Comment #1 by bugzilla — 2006-09-19T15:22:49Z
Not reproducible with DMC 0.167.
Comment #2 by thomas-dloop — 2006-09-20T11:53:13Z
This is a GDC issue(-> Product).
Source and destination overlap in memcpy(0x52699C0, 0x52699C8, 24)
at 0x4A21C9E: memcpy (mc_replace_strmem.c:116)
by 0xB9054: Array::remove(unsigned) (array.c:146)
by 0x1289E7: CompoundStatement::semantic(Scope*) (statement.c:330)
by 0xF1E2C: FuncDeclaration::semantic3(Scope*) (func.c:753)
by 0x112A25: Module::semantic3() (module.c:697)
by 0x146C76: d_parse_file(int) (d-lang.cc:982)
by 0x654D88: toplev_main (toplev.c:1838)
by 0x182387: main (main.c:35)
Invalid read of size 1
at 0x4A21D32: memcpy (mc_replace_strmem.c:405)
by 0xB9054: Array::remove(unsigned) (array.c:146)
by 0x1289E7: CompoundStatement::semantic(Scope*) (statement.c:330)
by 0xF1E2C: FuncDeclaration::semantic3(Scope*) (func.c:753)
by 0x112A25: Module::semantic3() (module.c:697)
by 0x146C76: d_parse_file(int) (d-lang.cc:982)
by 0x654D88: toplev_main (toplev.c:1838)
by 0x182387: main (main.c:35)
Address 0x52699D8 is 0 bytes after a block of size 40 alloc'd
at 0x4A20F51: realloc (vg_replace_malloc.c:306)
by 0x1048B3: Mem::realloc(void*, unsigned long) (mem.c:90)
by 0xB8BEF: Array::reserve(unsigned) (array.c:71)
by 0xB8D21: Array::push(void*) (array.c:94)
by 0x11ACE7: Parser::parseStatement(int) (parse.c:2471)
by 0x11C251: Parser::parseContracts(FuncDeclaration*) (parse.c:2091)
by 0x11A165: Parser::parseDeclarations() (parse.c:2009)
by 0x11929C: Parser::parseDeclDefs(int) (parse.c:186)
by 0x122321: Parser::parseModule() (parse.c:125)
by 0x113EC5: Module::parse(bool) (module.c:554)
by 0x1467A1: d_parse_file(int) (d-lang.cc:921)
by 0x654D88: toplev_main (toplev.c:1838)
Invalid read of size 1
at 0x4A21D3B: memcpy (mc_replace_strmem.c:405)
by 0xB9054: Array::remove(unsigned) (array.c:146)
by 0x1289E7: CompoundStatement::semantic(Scope*) (statement.c:330)
by 0xF1E2C: FuncDeclaration::semantic3(Scope*) (func.c:753)
by 0x112A25: Module::semantic3() (module.c:697)
by 0x146C76: d_parse_file(int) (d-lang.cc:982)
by 0x654D88: toplev_main (toplev.c:1838)
by 0x182387: main (main.c:35)
Address 0x52699D9 is 1 bytes after a block of size 40 alloc'd
at 0x4A20F51: realloc (vg_replace_malloc.c:306)
by 0x1048B3: Mem::realloc(void*, unsigned long) (mem.c:90)
by 0xB8BEF: Array::reserve(unsigned) (array.c:71)
by 0xB8D21: Array::push(void*) (array.c:94)
by 0x11ACE7: Parser::parseStatement(int) (parse.c:2471)
by 0x11C251: Parser::parseContracts(FuncDeclaration*) (parse.c:2091)
by 0x11A165: Parser::parseDeclarations() (parse.c:2009)
by 0x11929C: Parser::parseDeclDefs(int) (parse.c:186)
by 0x122321: Parser::parseModule() (parse.c:125)
by 0x113EC5: Module::parse(bool) (module.c:554)
by 0x1467A1: d_parse_file(int) (d-lang.cc:921)
by 0x654D88: toplev_main (toplev.c:1838)
Invalid read of size 1
at 0x4A21D42: memcpy (mc_replace_strmem.c:405)
by 0xB9054: Array::remove(unsigned) (array.c:146)
by 0x1289E7: CompoundStatement::semantic(Scope*) (statement.c:330)
by 0xF1E2C: FuncDeclaration::semantic3(Scope*) (func.c:753)
by 0x112A25: Module::semantic3() (module.c:697)
by 0x146C76: d_parse_file(int) (d-lang.cc:982)
by 0x654D88: toplev_main (toplev.c:1838)
by 0x182387: main (main.c:35)
Address 0x52699DA is 2 bytes after a block of size 40 alloc'd
at 0x4A20F51: realloc (vg_replace_malloc.c:306)
by 0x1048B3: Mem::realloc(void*, unsigned long) (mem.c:90)
by 0xB8BEF: Array::reserve(unsigned) (array.c:71)
by 0xB8D21: Array::push(void*) (array.c:94)
by 0x11ACE7: Parser::parseStatement(int) (parse.c:2471)
by 0x11C251: Parser::parseContracts(FuncDeclaration*) (parse.c:2091)
by 0x11A165: Parser::parseDeclarations() (parse.c:2009)
by 0x11929C: Parser::parseDeclDefs(int) (parse.c:186)
by 0x122321: Parser::parseModule() (parse.c:125)
by 0x113EC5: Module::parse(bool) (module.c:554)
by 0x1467A1: d_parse_file(int) (d-lang.cc:921)
by 0x654D88: toplev_main (toplev.c:1838)
Invalid read of size 1
at 0x4A21D4B: memcpy (mc_replace_strmem.c:405)
by 0xB9054: Array::remove(unsigned) (array.c:146)
by 0x1289E7: CompoundStatement::semantic(Scope*) (statement.c:330)
by 0xF1E2C: FuncDeclaration::semantic3(Scope*) (func.c:753)
by 0x112A25: Module::semantic3() (module.c:697)
by 0x146C76: d_parse_file(int) (d-lang.cc:982)
by 0x654D88: toplev_main (toplev.c:1838)
by 0x182387: main (main.c:35)
Address 0x52699DB is 3 bytes after a block of size 40 alloc'd
at 0x4A20F51: realloc (vg_replace_malloc.c:306)
by 0x1048B3: Mem::realloc(void*, unsigned long) (mem.c:90)
by 0xB8BEF: Array::reserve(unsigned) (array.c:71)
by 0xB8D21: Array::push(void*) (array.c:94)
by 0x11ACE7: Parser::parseStatement(int) (parse.c:2471)
by 0x11C251: Parser::parseContracts(FuncDeclaration*) (parse.c:2091)
by 0x11A165: Parser::parseDeclarations() (parse.c:2009)
by 0x11929C: Parser::parseDeclDefs(int) (parse.c:186)
by 0x122321: Parser::parseModule() (parse.c:125)
by 0x113EC5: Module::parse(bool) (module.c:554)
by 0x1467A1: d_parse_file(int) (d-lang.cc:921)
by 0x654D88: toplev_main (toplev.c:1838)
Invalid read of size 8
at 0x17E707: AsmProcessor::slotExp(Expression*) (d-asm-i386.h:2008)
by 0x181208: AsmProcessor::parse() (d-asm-i386.h:2101)
by 0x17C731: AsmStatement::semantic(Scope*) (d-asm-i386.h:1204)
by 0x128A3F: CompoundStatement::semantic(Scope*) (statement.c:344)
by 0xF1E2C: FuncDeclaration::semantic3(Scope*) (func.c:753)
by 0x112A25: Module::semantic3() (module.c:697)
by 0x146C76: d_parse_file(int) (d-lang.cc:982)
by 0x654D88: toplev_main (toplev.c:1838)
by 0x182387: main (main.c:35)
Address 0x5000000BE is not stack'd, malloc'd or (recently) free'd
./a.d:0: interner Compiler-Fehler: Speicherzugriffsfehler
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